Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844243 | Polishing composition for magnetic disk substrate | Akina Ban, Yuka Ishida | 2020-11-24 |
| 10822525 | Polishing composition and method for polishing magnetic disk substrate | Akira SUGAWA | 2020-11-03 |
| 10696870 | Polishing composition for magnetic disk substrate | — | 2020-06-30 |
| 10577445 | Polishing composition for magnetic disk substrate | — | 2020-03-03 |